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fix Dict.empty

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This commit is contained in:
Folkert 2021-02-06 19:26:09 +01:00
parent f3947781dd
commit 1afd64f7e7
1 changed files with 15 additions and 3 deletions
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18
compiler/gen/src/llvm/build_dict.rs
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@ -1,5 +1,6 @@
use crate::llvm::build::{ use crate::llvm::build::{
call_bitcode_fn, complex_bitcast, load_symbol, load_symbol_and_layout, Env, Scope, call_bitcode_fn, call_void_bitcode_fn, complex_bitcast, load_symbol, load_symbol_and_layout,
Env, Scope,
}; };
use crate::llvm::convert::collection; use crate::llvm::convert::collection;
use inkwell::types::BasicTypeEnum; use inkwell::types::BasicTypeEnum;
@ -33,9 +34,20 @@ pub fn dict_empty<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>, env: &Env<'a, 'ctx, 'env>,
_scope: &Scope<'a, 'ctx>, _scope: &Scope<'a, 'ctx>,
) -> BasicValueEnum<'ctx> { ) -> BasicValueEnum<'ctx> {
let result = call_bitcode_fn(env, &[], &bitcode::DICT_EMPTY); // get the RocDict type defined by zig
let roc_dict_type = env.module.get_struct_type("dict.RocDict").unwrap();
zig_dict_to_struct(env, result.into_struct_value()).into() // we must give a pointer for the bitcode function to write the result into
let result_alloc = env.builder.build_alloca(roc_dict_type, "dict_empty");
call_void_bitcode_fn(env, &[result_alloc.into()], &bitcode::DICT_EMPTY);
let result = env
.builder
.build_load(result_alloc, "load_result")
.into_struct_value();
zig_dict_to_struct(env, result).into()
} }
fn dict_symbol_to_i128<'a, 'ctx, 'env>( fn dict_symbol_to_i128<'a, 'ctx, 'env>(